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/* -*- C++ -*- */

//=============================================================================
/**
 *  @file    RB_Tree_Test.h
 *
 *  Header file for a test to verify and illustrate the use of the
 *  ACE_RB_Tree ACE_RB_Tree_Iterator, and
 *  ACE_RB_Tree_Reverse_Iterator classes.
 *  iterator over each.
 *
 *  @author Chris Gill <cdgill@cs.wustl.edu>
 */
//=============================================================================


/**
 * @class ACE_RB_Tree_Test
 *
 * @brief Implements a templatized test class for the RB_Tree ADT and its
 * iterators.
 */
template <class EXT_ID, class INT_ID, class COMPARE_KEYS, class ACE_LOCK>
class ACE_RB_Tree_Test
{

  //   To run the test class on a particular type instantiation of the
  //   RB_Tree, simply instantiate the test class template with the
  //   same type parameters, and invoke the run_test method.
public:
  // = Traits

  typedef ACE_RB_Tree<EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK>
          TREE;
  typedef ACE_RB_Tree_Iterator<EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK>
          ITERATOR;
  typedef ACE_RB_Tree_Reverse_Iterator<EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK>
          REVERSE_ITERATOR;

  // = Initialization and termination methods.

  /// Constructor.
  ACE_RB_Tree_Test (int entry_count,
                    EXT_ID key_array [],
                    INT_ID item_array [],
                    int order_index []);

  /// Destructor.
  ~ACE_RB_Tree_Test (void);

  /// Run the individual interface and iteration tests in order.
  void run_test (void);

private:

  /// Tests stable and deprecated insertion interfaces.
  void test_tree_insertion (void);

  /// Tests forward and reverse iteration after insertion in both
  /// trees.
  void test_post_insertion_iteration (void);

  ///Tests forward and reverse partial iteration
  void test_partial_iteration(void);

  /// Tests stable and deprecated deletion interfaces.
  void test_tree_deletion (void);

  /// Tests forward and reverse iteration after deletions in both
  /// trees.
  void test_post_deletion_iteration (void);

  /// Tree for testing stable interface.
  TREE stable_tree_;

  /// Forward iterator for tree for testing stable interface.
  ITERATOR stable_fwd_iter_;

  ITERATOR part_fwd_iter_;

  REVERSE_ITERATOR part_rev_iter_;

  /// Forward iterator for tree for testing stable interface.
  REVERSE_ITERATOR stable_rev_iter_;

  /// Tree for testing deprecated interface.
  TREE deprecated_tree_;

  /// Forward iterator for tree for testing deprecated interface.
  ITERATOR deprecated_fwd_iter_;

  /// Forward iterator for tree for testing deprecated interface.
  REVERSE_ITERATOR deprecated_rev_iter_;

  /// Number of entries in the key, item, and index arrays.
  int entry_count_;

  /// Array of EXT_IDs (keys) with which to test.
  EXT_ID *key_array_;

  /// Array of INT_IDs (items) with which to test.
  INT_ID *item_array_;

  /// Order of indices in the key and item arrays.
  int *order_index_;

};